111723061 has 2 divisors, whose sum is σ = 111723062. Its totient is φ = 111723060.

The previous prime is 111723047. The next prime is 111723067. The reversal of 111723061 is 160327111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 95922436 + 15800625 = 9794^2 + 3975^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111723061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111723067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55861530 + 55861531.

It is an arithmetic number, because the mean of its divisors is an integer number (55861531).

Almost surely, 2^111723061 is an apocalyptic number.

It is an amenable number.

111723061 is a deficient number, since it is larger than the sum of its proper divisors (1).

111723061 is an equidigital number, since it uses as much as digits as its factorization.

111723061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 252, while the sum is 22.

The square root of 111723061 is about 10569.9130081567. The cubic root of 111723061 is about 481.6308258806.

The spelling of 111723061 in words is "one hundred eleven million, seven hundred twenty-three thousand, sixty-one".